Find the indicated matrix.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. [-3]
Answer: B
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = 
A. 
= - 
; 
= 
; 
= 
= 
B. 
= - 
; 
= 
; 
= 
= 
C. 
= - 
; 
= 
; 
= 
= 
D. 
= 
; 
= - 
; 
= 
= 
Mathematics
Solve the problem.A small farm field is a square measuring 320 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 1280 ft, 2560 ft B. 640 ft, 1280 ft C. 320 ft, 1280 ft D. 640 ft, 2560 ft
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. ?(10 ln 10 + 9) B. ?(9 ln 10 + 9) C. ?(9 ln 10 - 9) D. ?(10 ln 10 - 9)
Mathematics
Use the graph to evaluate the expression.(f?g)(2)
A. 0 B. -3 C. -4 D. -5
Mathematics